Fans were cleared from the field into sheltered areas and some left the stadium. They were originally told the delay would last around an hour.

A tweet from Pearl Jam's official account shortly before 11 p.m. said they were waiting for a second cell of rain to pass before continuing the show, and that they intended to provide fans with a full show.

A fan inside the stadium said people were starting to move back toward their seats at 11:30 p.m.

The Pitchfork Music Festival at Union Park in the West Loop ended a little earlier than planned because of the rain.

And Phish fans were left scrambling from the rain during that show at Charter One Pavilion at Northerly Island.

A Severe Thunderstorm Warning was in effect for Cook and DuPage counties until 10 p.m. but significant rain was still reported throughout the viewing area well after that.